1. 1Biology Department, Lycoming College, Williamsport PA 17701, USA
2. †Present address: Trivergent Health Alliance, MSO, Meritus Medical Center, Hagerstown, MD 21742, USA.
3. 2Biosciences Division, Oak Ridge National Laboratory, 1 Bethyl Valley Rd. MS-6036, Oak Ridge, TN 37831, USA
4. 3Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, Bloemfontein 9300, Republic of South Africa